[DB] forgejo migration v2: create the forgejo_sem_ver table

(cherry picked from commit 86b26436af)
(cherry picked from commit 479cba59ac)
(cherry picked from commit 4765f9a889)
(cherry picked from commit af771410bf)
(cherry picked from commit d1ea9305d8)
(cherry picked from commit f77e1bb7ab)
(cherry picked from commit 0b95f8fe89)
(cherry picked from commit 4f8fb2390a)
(cherry picked from commit 8ea0e22ff6)
(cherry picked from commit 43ac19ac59)
(cherry picked from commit 0f51ac12b6)
(cherry picked from commit 35d0875c5e)
(cherry picked from commit c30006f457)

models/forgejo_migrations/migrate.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"os"
 
+	forgejo_v1_20 "code.gitea.io/gitea/models/forgejo_migrations/v1_20"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
@@ -34,7 +35,10 @@ func NewMigration(desc string, fn func(*xorm.Engine) error) *Migration {
 
 // This is a sequence of additional Forgejo migrations.
 // Add new migrations to the bottom of the list.
-var migrations = []*Migration{}
+var migrations = []*Migration{
+	// v1 -> v2
+	NewMigration("create the forgejo_sem_ver table", forgejo_v1_20.CreateSemVerTable),
+}
 
 // GetCurrentDBVersion returns the current Forgejo database version.
 func GetCurrentDBVersion(x *xorm.Engine) (int64, error) {

models/forgejo_migrations/v1_20/v2.go

@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: MIT
+
+package forgejo_v1_20 //nolint:revive
+
+import (
+	"xorm.io/xorm"
+)
+
+func CreateSemVerTable(x *xorm.Engine) error {
+	type ForgejoSemVer struct {
+		Version string
+	}
+
+	return x.Sync(new(ForgejoSemVer))
+}